CN210455034U

CN210455034U - Electric bicycle frame convenient for mounting seat

Info

Publication number: CN210455034U
Application number: CN201921458146.5U
Authority: CN
Inventors: 刘晓珺; 米伟
Original assignee: Tianjin Jupeng Bicycle Accessories Co ltd
Current assignee: Tianjin Jupeng Bicycle Accessories Co ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-05-05
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses an electric bicycle frame convenient for installing a seat, which comprises a seat tube, wherein an annular mounting plate is fixedly arranged inside the seat tube, a movable groove is arranged at the axle center of the annular mounting plate, four slide holes are arranged inside the annular mounting plate, one side of each slide hole is communicated with the movable groove, one side of each slide hole, which is far away from the movable groove, is fixedly connected with the seat tube, a first spring is fixedly connected with the inner wall of the seat tube, when the electric bicycle frame convenient for installing the seat is installed, the seat tube is movably clamped in the frame tube through the matching of a button on the surface of the seat tube and a through hole on the surface of the frame tube, a ratchet wheel is driven to rotate by clockwise rotating a screw, the screw pushes an inserted rod to be inserted into the movable groove to extrude the four movable rods, the first spring is extruded to be abutted against the inner wall of the seat tube to form the fixation of the inner wall, simple structure, easy operation and wide application range.

Description

Electric bicycle frame convenient for mounting seat

Technical Field

The utility model relates to an electric bicycle frame technical field specifically is an electric bicycle frame of easy to assemble seat.

Background

Electric bicycle is the common vehicle in our life, and current electric bicycle frame mostly passes through bolt and nut fixed connection, consequently when installation or dismantlement seat, often need just can go on through instrument such as screwdriver or spanner, and this has brought the inconvenience when giving people's maintenance or equipment electric bicycle's seat, and bolt and nut often can drop because of the vibration when people ride the vehicle in addition, bring certain danger.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric bicycle frame of seat easy to assemble to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an electric bicycle frame convenient for seat installation comprises a seat tube, wherein an annular mounting plate is fixedly installed inside the seat tube, a movable groove is formed in the axis of the annular mounting plate, four sliding holes are formed in the annular mounting plate in the circumferential direction and are communicated with the movable groove, one side, away from the movable groove, of each sliding hole is fixedly connected with the seat tube, a first spring is movably sleeved on each sliding hole, one end, away from the seat tube, of each first spring is fixedly connected with a movable rod, the top of the annular mounting plate is fixedly connected with a sliding column, the surface of each sliding column is movably sleeved with a nut, the bottom of each nut is fixedly connected with an inserting rod, arc-shaped grooves are formed in the periphery of the surface of each inserting rod, the bottom end of each inserting rod is movably inserted into the movable groove, a screw rod is connected with the nut in a threaded manner, and a limiting plate is fixedly connected, the limiting plate is rotatably connected with the top end of the screw rod through a bearing, a driven bevel gear is fixedly sleeved on the surface of the screw rod, a driving bevel gear is meshed with one side of the driven bevel gear, a transmission rod is fixedly connected with the axis of the driving bevel gear, the left end of the transmission rod penetrates through the left side of the seat tube and extends to the outside of the seat tube, a ratchet wheel is fixedly connected with the surface of the transmission rod, the left end of the transmission rod penetrates through the axis of the ratchet wheel and extends to the outside of the ratchet wheel, a handle is fixedly connected with the left end of the transmission rod, a pawl is movably connected with the left side of the seat tube, the bottom of the pawl is lapped on teeth of the ratchet wheel, a frame tube is movably spliced at the bottom of the seat tube, through holes are formed in two sides of the frame tube, shells are fixedly connected with two sides of the surface of the seat, the left side fixedly connected with button of second spring, and the left side of button runs through the casing and extends to its outside, the left side activity of button runs through the through-hole, the spacing groove has been seted up to the both sides of frame inside pipe wall, the both sides fixedly connected with stopper on seat pipe surface, and the stopper keep away from one side and the spacing groove swing joint of seat pipe, the inner wall fixedly connected with ring baffle of frame pipe, the top fixedly connected with bradyseism ring of baffle.

Preferably, the bottom of inserted bar is the toper, the one end that the seat pipe was kept away from to the movable rod is the arc and cooperatees with the arc wall.

Preferably, the bottom of the nut is fixedly connected with the inserted rod through two L-shaped rods.

Preferably, the left side of the seat tube is movably connected with a leaf spring, and the bottom of the leaf spring is overlapped on the top of the pawl.

Preferably, the bottom of the screw is fixedly connected with a baffle, and the diameter length of the baffle is 1.5 times of the diameter length of the screw.

Preferably, the surface of the transmission rod is rotatably connected with a bearing, and the bearing is fixedly connected in a through hole formed in the left side of the seat tube.

Compared with the prior art, the beneficial effects of the utility model are that: this electric bicycle frame of easy to assemble seat, during the installation, through the cooperation of the button on seat pipe surface and the through-hole on frame pipe surface, simultaneously through the cooperation of spacing groove and stopper, with seat pipe activity joint in the frame intraductal, clockwise rotation ratchet drives the screw rod and rotates, and the screw rod promotes the inserted bar and injects the movable groove and form the extrusion to four movable rods, extrudees first spring to the inner wall of contradicting the seat pipe, forms the fixed to the seat inside pipe wall. When the seat tube is disassembled, the pawl is pulled out, the ratchet wheel is rotated anticlockwise, and the button is pressed, so that the seat tube can be pulled out from the frame tube. Simple structure, easy operation and wide application range.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 3 is a sectional view of the annular mounting plate of the present invention;

fig. 4 is a top view of the present invention;

fig. 5 is a left side view of the ratchet of the present invention.

In the figure: the device comprises a seat tube 1, an annular mounting plate 2, a movable groove 3, a sliding hole 4, a first spring 5, a movable rod 6, a sliding column 7, a nut 8, a screw 9, an arc groove 10, a limiting plate 11, a driven bevel gear 12, a driving bevel gear 13, a transmission rod 14, a ratchet 15, a pawl 16, a frame tube 17, a through hole 18, a shell 19, a second spring 20, a button 21, a limiting groove 22, a limiting block 23, an annular baffle 24, a vibration damping ring 25, an inserted rod 26, a baffle 27 and a leaf spring 28.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an electric bicycle frame convenient for mounting a seat comprises a seat tube 1, wherein an annular mounting plate 2 is fixedly mounted inside the seat tube 1, a movable groove 3 is formed in the axis of the annular mounting plate 2, four sliding holes 4 are formed in the annular mounting plate 2 in the circumferential direction, the sliding holes 4 are communicated with the movable groove 3, one side, away from the movable groove 3, of each sliding hole 4 is fixedly connected with the seat tube 1, a first spring 5 is movably sleeved on each sliding hole 4, one end, away from the seat tube 1, of each first spring 5 is fixedly connected with a movable rod 6, a sliding column 7 is fixedly connected to the top of the annular mounting plate 2, a nut 8 is movably sleeved on the surface of each sliding column 7, an inserting rod 26 is fixedly connected to the bottom of each nut 8, the bottom of each nut 8 is fixedly connected with the inserting rod 26 through two L-shaped rods, arc-shaped grooves 10 are formed in the periphery of the surface of the inserting rod 26, the bottom end of the inserted rod 26 is movably inserted into the movable groove 3, the bottom end of the inserted rod 26 is conical, one end, away from the seat tube 1, of the movable rod 6 is arc-shaped and is matched with the arc-shaped groove 10, the nut 8 is in threaded connection with the screw rod 9, the bottom of the screw rod 9 is fixedly connected with the baffle 27, the diameter of the baffle 27 is 1.5 times of that of the screw rod 9, the baffle 9 is prevented from being separated from the nut 8 when rotating, the inside of the seat tube 1 is fixedly connected with the limiting plate 11, the limiting plate 11 is in rotating connection with the top end of the screw rod 9 through a bearing, the surface of the screw rod 9 is fixedly sleeved with the driven bevel gear 12, one side of the driven bevel gear 12 is meshed with the driving bevel gear 13, the axis of the driving bevel gear 13 is fixedly connected with the transmission rod 14, the left end of the transmission rod 14 penetrates through the left side of the seat tube 1, the surface of the transmission rod 14 is rotatably connected with a bearing, the bearing is fixedly connected in a through hole formed in the left side of the seat tube 1, the left end of the transmission rod 14 penetrates through the axle center of the ratchet wheel 15 and extends to the outside of the axle center, the left end of the transmission rod 14 is fixedly connected with a handle, the left side of the seat tube 1 is movably connected with a pawl 16, the bottom of the pawl 16 is lapped on teeth of the ratchet wheel 15, the left side of the seat tube 1 is movably connected with a leaf spring 28, the bottom of the leaf spring 28 is lapped on the top of the pawl 16, the bottom of the seat tube 1 is movably spliced with a frame tube 17, through holes 18 are formed in two sides of the frame tube 17, two sides of the surface of the seat tube 1 are fixedly connected with a shell 19, two sides of the surface of the seat tube 1 are fixedly connected with a second spring 20 inside the shell 19, the left side of the second spring 20 is fixedly connected with a button 21, and, the through-hole 18 is run through in the activity of button 21's left side, spacing groove 22 has been seted up to the both sides of car frame pipe 17 inner wall, the both sides fixedly connected with stopper 23 on seat pipe 1 surface, and stopper 23 keep away from one side and the spacing groove 22 swing joint of seat pipe 1, the inner wall fixedly connected with ring baffle 24 of car frame pipe 17, the top fixedly connected with bradyseism ring 25 of baffle avoids the vibration influence structural stability when riding.

The working principle is as follows: when the electric bicycle frame of easy to assemble seat used, the inside of frame pipe 17 was injected with the bottom of seat pipe 1 through stopper 23 and spacing groove 22's cooperation, the button 21 on seat pipe 1 surface received the conflict can not be popped out, when inserting through-hole 18 position, button 21 no longer receives the conflict, the elasticity release of first spring 5 accumulation pops out button 21 and runs through-hole 18, form the joint, the bottom of seat pipe 1 contacts the top of frame pipe 17 inner wall fixed connection's ring baffle 24 simultaneously, form certain conflict effect. At this time, the ratchet 15 is rotated clockwise to drive the transmission rod 14 to drive the drive bevel gear 13, the drive bevel gear 13 transmits force to the driven bevel gear 12, the driven bevel gear 12 drives the screw 9 fixedly connected inside the driven bevel gear 12 to rotate, at this time, the screw 9 is in a rotating state but cannot be changed in up-down position, the screw 9 rotates to drive the nut 8 in threaded connection with the screw to rotate, the nut 8 slides downwards while rotating, the inserted rod 26 fixedly connected to the bottom of the nut 8 is inserted into the movable groove 3 through the conical structure at the bottom end of the inserted rod to extrude one end of the movable rod 6, the movable rod 6 extrudes the first spring 5 until the first spring cannot be compressed, the inner wall of the seat tube 1 is pressed, and the leaf spring 28 clamps the bottom of the pawl 16 on the teeth of the ratchet 15 to form fixation. When the seat tube 1 is detached, the pawl 16 is pulled out, the ratchet 15 is rotated counterclockwise, and the button 21 is pressed, so that the seat tube 1 can be pulled out from the frame tube 17.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric bicycle frame of easy to assemble seat, includes seat pipe (1), its characterized in that: the inner fixed mounting of the seat tube (1) is provided with an annular mounting plate (2), the axis of the annular mounting plate (2) is provided with a movable groove (3), four sliding holes (4) are circumferentially arranged in the annular mounting plate (2), the sliding holes (4) are communicated with the movable groove (3), one side of the sliding holes (4) far away from the movable groove (3) is fixedly connected with the seat tube (1), a first spring (5) is movably sleeved on the sliding holes (4), one end of the first spring (5) far away from the seat tube (1) is fixedly connected with a movable rod (6), the top of the annular mounting plate (2) is fixedly connected with a sliding column (7), the surface of the sliding column (7) is movably sleeved with a nut (8), the bottom of the nut (8) is fixedly connected with an inserting rod (26), and arc-shaped grooves (10) are formed around the surface of the inserting rod (26), the bottom end of the inserted rod (26) is movably inserted into the movable groove (3), the nut (8) is in threaded connection with the screw rod (9), the inside of the seat tube (1) is fixedly connected with the limiting plate (11), the limiting plate (11) is rotatably connected with the top end of the screw rod (9) through a bearing, the surface of the screw rod (9) is fixedly sleeved with the driven bevel gear (12), one side of the driven bevel gear (12) is meshed with the driving bevel gear (13), the axis of the driving bevel gear (13) is fixedly connected with the transmission rod (14), the left end of the transmission rod (14) penetrates through the left side of the seat tube (1) and extends to the outside of the seat tube, the surface of the transmission rod (14) is fixedly connected with the ratchet wheel (15), the left end of the transmission rod (14) penetrates through the axis of the ratchet wheel (15) and extends to the outside of the seat tube, and the left end, the left side of the seat tube (1) is movably connected with a pawl (16), the bottom of the pawl (16) is overlapped on teeth of a ratchet wheel (15), a frame tube (17) is movably inserted into the bottom of the seat tube (1), through holes (18) are formed in two sides of the frame tube (17), a shell (19) is fixedly connected to two sides of the surface of the seat tube (1), a second spring (20) is fixedly connected to two sides of the surface of the seat tube (1) and positioned inside the shell (19), a button (21) is fixedly connected to the left side of the second spring (20), the left side of the button (21) penetrates through the shell (19) and extends to the outside of the shell, the left side of the button (21) movably penetrates through the through holes (18), limiting grooves (22) are formed in two sides of the inner wall of the frame tube (17), limiting blocks (23) are fixedly connected to two sides of the surface of the seat tube (1), and one side of the limiting block (23) far away from the seat pipe (1) is movably connected with the limiting groove (22), the inner wall of the frame pipe (17) is fixedly connected with an annular baffle plate (24), and the top of the baffle plate is fixedly connected with a buffering ring (25).

2. A seat-mountable electric bicycle frame as claimed in claim 1, wherein: the bottom of inserted bar (26) is the toper, the one end that seat pipe (1) was kept away from in movable rod (6) is the arc and cooperatees with arc groove (10).

3. A seat-mountable electric bicycle frame as claimed in claim 1, wherein: the bottom of the nut (8) is fixedly connected with the inserted bar (26) through two L-shaped bars.

4. A seat-mountable electric bicycle frame as claimed in claim 1, wherein: the left side of the seat tube (1) is movably connected with a leaf spring (28), and the bottom of the leaf spring (28) is overlapped on the top of the pawl (16).

5. A seat-mountable electric bicycle frame as claimed in claim 1, wherein: the bottom of the screw (9) is fixedly connected with a baffle (27), and the length of the diameter of the baffle (27) is 1.5 times of the length of the diameter of the screw (9).

6. A seat-mountable electric bicycle frame as claimed in claim 1, wherein: the surface of the transmission rod (14) is rotatably connected with a bearing, and the bearing is fixedly connected in a through hole formed in the left side of the seat tube (1).